Hello everyone! The name of our work is The Children's Graphics Tablet, behind us is our work.
I am Guocheng Shen, I am Guanting Zhou, our tutor is Kaixiong Zhang
Our team number is TW016
Machine settings
Our work is behind us
We used DE2-115 board with D5M camera module for image capturing.
The cable that we see over here is connected to the loudspeaker.
This VGA cable is used to output the captured image to the projector.
This cable is connected to barcode reader
The loudspeaker is mounted above the machine.
Our projector is in this position and outputs the image through a VGA cable
The projector will project the image output from DE2-115 to the desktop.
This is our barcode reader.
We will introduce the barcode reader with the gallery function later.
These are our finger sleeve lights
Our finger sleeve lights are made by 3D printer.
The size and color can be customized as you want
Firstly, let's look at the architecture of the finger sleeve.
This is the touch switch in the bottom of the finger sleeve
This is the LED in the top of the finger sleeve, and this is the battery behind the finger sleeve
When the touch switch touches the desktop,
the led will light up like this.
the D5M will capture the image and make coordinate processing.
Operation Introduction
This is our initial screen
we need a most clean and tidy screen.
Then we can draw the picture like this
When we need selection function
we can click the semi-circle on the bottom of drawing board
this will call the function menu.
now, I will Introduce the icons to you.
from left to right, they are Trash, Eraser, and Zoom Out.
Color palette, and the Interactive Function.
when we click the Color Palette,
it will appear a submenu (these functions):
the first one and the second one are the same with the previous menu,
they are Trash and Eraser.
the third one is Brush Size.
so you can change the brush size when you click it
click the Semicircle can return to the previous menu,
now let's click the Color Palette
you can set the brush color through this Color Palette
or example, I want to select red,
or blue
this can change the background color
we use yellow
As the brightness is too bright, let's start with a dark color
Barcode Function
let's look at my left hand side, and this our gallery region.
they are basic drawing cards
children can select a card they want
you can see the bar codes are at the bottom of the card
you can use the barcode scanner to select a card
if you want to try this function
just click the Barcode Function
use the barcode scanner to scan the card you want.
when hearing a sound like "B"
through the fingerstall, you can place the pattern where you want
of cause the color is not only blue,
the color is selected by the Brush Color
if you want yellow
again, click the barcode function
place it where you want Interactive Function
Interactive function
Now we are in the drawing area
If we want to leave this area, just click this semi-circle
it will return to the previous menu
Next, we will introduce the interactive function
We will enter into the interactive function and choose image after click the interactive function icon.
it is sequenced as piano, path animation,
balance, the last is exit function icon.
Piano Function
Next we will introduce the Piano interactive function
The first icon is for Piano interactive
Click it and enter into piano function,
seven piano keys will be showed on the desktop
we can play a song with it.
the sound comes from the loudspeaker
Let's start playing the piano
If the children don't know the notes of the seven keys
click this function icon
the Ro, re, mi, fa, so, la and si will be shown on the piano keys.
It is convenient for children to play songs
we prepared piano spectrum for some children's songs.
it's convenient for children to play songs according to piano spectrum.
path animation
Next we will introduce the path animation interactive function.
We can see there are two flowers on the desktop.
because we were drawing flowers on the Palette Function part.
The Palette Function also includes Recycle bin, Eraser,
handwriting thicknesses and color, background color.
Click the semi-circle icon to
back to the path animation area.
we can see a Play icon
it recorded the last path animation
we can click this Delete icon
to delete the last path animationfrom the path animation,
we can see
there is a baseball
This is a graphical record for the path animation of our baseball.
You can click this gallery to select the drawing you want
it includes the paper plane, baseball and pinwheel for our selection.
We select this pinwheel
Then, we draw a line on the desktop
to track the pinwheel moving
Click the play function
The pinwheel will move by following the path.
The balance
Continue to introduce the function of balance
After selecting, you can see a balance
We would like to introduce children
the concept of specific gravity in a lifestyle
First of all, we can see there is an apple with a question make.
Select it
and put this apple on the right of balance
these apple here can be added one by one.
Let us put them on the left
put two apples
Now we can compare the weight of these apples by clicking the play icon.
We can see the apple with question mark is much heavier
Continue to drag the apples to the left
when it added to five apple,
Click play once again
Now, you can see the five apples are heavier than apple with question mark
discard one apple here
click the play
You can see
the weight for four apples here is the same as the apple with question mark.
If the children cannot guess it
We can cooperate the ANS above
it will show the quantity of apples after clicking.
Here is our clear function, it works on clearing the whole frame.
It can help the children to compare the weight once again
It looks like this after clicking
This is our balance animation part.
Above is our show, thanks all.
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